US PATENT SUBCLASS 280 / 687
.~.~.~.~ With rubber-type suspension

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
104  DF  .~.~ Equalized frame {1}
676  DF  .~.~.~ Tandem axles {7}
687.~.~.~.~ With rubber-type suspension

DEFINITION

Classification: 280/687

(under subclass 676) Tandem axles provided with a suspension means between the axles and the vehicle frame, such suspension means comprising spring or cushioning means made of rubber or a similar resilient substance.